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All results from a given calculation for C4H6S (Thiophene, 2,5-dihydro-)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-553.473128
Energy at 298.15K-553.479958
HF Energy-552.544749
Nuclear repulsion energy217.265736
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3253 3089 11.29      
2 A1 3098 2941 0.36      
3 A1 1702 1616 6.14      
4 A1 1509 1433 5.32      
5 A1 1305 1239 0.01      
6 A1 1155 1097 0.56      
7 A1 986 936 0.15      
8 A1 747 709 1.71      
9 A1 519 492 0.09      
10 A2 3129 2971 0.00      
11 A2 1170 1111 0.00      
12 A2 989 939 0.00      
13 A2 964 916 0.00      
14 A2 380 361 0.00      
15 B1 3131 2973 10.20      
16 B1 1154 1096 11.52      
17 B1 920 874 1.68      
18 B1 703 668 43.57      
19 B1 83 78 3.76      
20 B2 3222 3059 1.58      
21 B2 3098 2942 49.68      
22 B2 1504 1428 0.14      
23 B2 1383 1313 3.45      
24 B2 1263 1199 5.58      
25 B2 1001 951 7.34      
26 B2 836 793 0.62      
27 B2 668 634 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19935.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 18927.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
ABC
0.22338 0.16188 0.09724

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.237
C2 0.000 1.341 0.003
C3 0.000 -1.341 0.003
C4 0.000 0.664 -1.325
C5 0.000 -0.664 -1.325
H6 -0.881 1.963 0.133
H7 0.881 1.963 0.133
H8 0.881 -1.963 0.133
H9 -0.881 -1.963 0.133
H10 0.000 1.255 -2.225
H11 0.000 -1.255 -2.225

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.82251.82252.64672.64672.41772.41772.41772.41773.68263.6826
C21.82252.68211.49082.40461.08591.08593.42163.42162.22983.4208
C31.82252.68212.40461.49083.42163.42161.08591.08593.42082.2298
C42.64671.49082.40461.32722.14282.14283.13073.13071.07682.1189
C52.64672.40461.49081.32723.13073.13072.14282.14282.11891.0768
H62.41771.08593.42162.14283.13071.76134.30253.92542.61574.0855
H72.41771.08593.42162.14283.13071.76133.92544.30252.61574.0855
H82.41773.42161.08593.13072.14284.30253.92541.76134.08552.6157
H92.41773.42161.08593.13072.14283.92544.30251.76134.08552.6157
H103.68262.22983.42081.07682.11892.61572.61574.08554.08552.5091
H113.68263.42082.22982.11891.07684.08554.08552.61572.61572.5091

picture of Thiophene, 2,5-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 105.595 S1 C2 H6 109.856
S1 C2 H7 109.856 S1 C3 C5 105.595
S1 C3 H8 109.856 S1 C3 H9 109.856
C2 S1 C3 94.754 C2 C4 C5 117.028
C2 C4 H10 119.687 C3 C5 C4 117.028
C3 C5 H11 119.687 C4 C2 H6 111.561
C4 C2 H7 111.561 C4 C5 H11 123.285
C5 C3 H8 111.561 C5 C3 H9 111.561
C5 C4 H10 123.285 H6 C2 H7 108.389
H8 C3 H9 108.389
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability